1 #ifndef __CODE_39_READER_H__
2 #define __CODE_39_READER_H__
7 * Copyright 2010 ZXing authors All rights reserved.
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
22 #include <zxing/oned/OneDReader.h>
23 #include <zxing/common/BitArray.h>
24 #include <zxing/Result.h>
30 * <p>Decodes Code 39 barcodes. This does not support "Full ASCII Code 39" yet.</p>
31 * Ported form Java (author Sean Owen)
32 * @author Lukasz Warchol
34 class Code39Reader : public OneDReader {
37 std::string alphabet_string;
42 static int* findAsteriskPattern(Ref<BitArray> row); //throws ReaderException
43 static int toNarrowWidePattern(int counters[], int countersLen);
44 static char patternToChar(int pattern); //throws ReaderException
45 static Ref<String> decodeExtended(std::string encoded); //throws ReaderException
47 void append(char* s, char c);
50 Code39Reader(bool usingCheckDigit_);
52 Ref<Result> decodeRow(int rowNumber, Ref<BitArray> row);